contentious meeting is underway at oakland city hall and a man at the center of the debate, a high profile law man the city wants to hire to help fight crime. i'm carolyn johnson. >> i'm dan ashley. cop in los angeles and new now they are deciding whether they should hire him as a police consultant. alan wang is now live. he is certainly continue controversial. >> yes, the council addressing this an hour ago. but they had 150 speakers and they are prepared to go until 2:00 a.m. the council will be voting on whether or not to hire an over all -- an over all police consulting team that includes william bratten. about 20 police officers were called in to deal with a large group of people who do not want the city to hire high-profile police consultant. his zero tolerance police strategies have been controversial in other cities where he has worked. they say it gives officers too much discretion and leads to racial profiling and harassment. one man said his recent experience is typical. >> a police officer told me why am i sitting on my neighbor's stairs? i said because this is my neighbor's stairs